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Firlakuza [10]
3 years ago
15

Find the value of x. I need help thank you! :)​

Mathematics
1 answer:
kondor19780726 [428]3 years ago
8 0

Answer:

47

Step-by-step explanation:

Hope this helps. Let me know if you have any questions.

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PLEASE HELP FAST!! Lake Alice is filled with alligators and turtles. The number of turtles is 16 less than 3 times the number of
san4es73 [151]

Answer:

72 alligators, 128 turtles

Step-by-step explanation:

When you put the words into the form of an equation, with a being alligators, you get

3a-16=200

So you have to do 'letters left numbers right'. This gives you

3a=216

Now you have to divide. 216 divided by 3 equals 72. So there are 72 alligators. 200 minus 72 equals 128, so there are 128 turtles

7 0
2 years ago
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When x^3 + kx^2 − 4x + 2 is divided by x + 2 the remainder is 26, find k.
Elis [28]

Answer:

k = 6

Step-by-step explanation:

3 0
2 years ago
Solve Sec(2x)-4=0 for the first two positive solutions. thanks!
SSSSS [86.1K]

Answer:

2e-78

Step-by-step explanation:

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6 0
3 years ago
Andre is making paper cranes to decorate for a party. He plans to make one large paper
kotegsom [21]

Answer:

x is the number of small cranes he can make

3x is the amount of time it takes to make all of those small cranes

10 is the amount of time it takes to make just the centerpiece

30 is how much time in total he has to make all of the paper cranes

Step-by-step explanation:

6 0
2 years ago
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An optical inspection system is used to distinguish among different part types. The probability of a correct classification of a
dsp73

Answer:

P(X=0)=0.000008

P(X=1)=0.00176

P(X=2)=0.057624

P(X=3)=0.941192

Step-by-step explanation:

Probability of correct classification = p = 0.98

Probability of incorrect classification = q = 1 - p = 0.02

The probability of success and failure is the same for all the trials. The trials are independent of each other and the number of trials is fixed i.e. n = 3.

This satisfies all the conditions of a Binomial Experiment. So we can use Binomial experiment to model the probability mass function.

The general formula of a binomial probability is:

P(X=x)=^{n}C_{x}(p)^{x}q^{n-x}

Here x denote the number of successes, which can be {0, 1, 2, 3}. So we need to evaluate the above equation for each value of x to determine the probability Mass function of X, as shown below:

P(X=0)=^{3}C_{0}(0.98)^{0}(0.02)^{3-0}=0.000008\\\\ P(X=1)=^{3}C_{1}(0.98)^{1}(0.02)^{3-1}=0.001176\\\\ P(X=2)=^{3}C_{2}(0.98)^{2}(0.02)^{3-2}=0.057624\\\\ P(X=3)=^{3}C_{3}(0.98)^{3}(0.02)^{3-3}=0.941192

7 0
2 years ago
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